Tease your brain and delight your eyes with this red robot which looks like a toy many of us played with in a fun three dimensional puzzle. But don't be fooled! These puzzles are harder than they seem! Take puzzling to a whole new dimension with this playful tin robot - whose head and arms rotate when completed! The Tin Robot 3D Crystal Puzzle is a sleek, translucent, crystalline puzzle with 39 unique interlocking pieces. Note: this robot is not actually tin. This 3D puzzle has a difficulty level of 1 and is fun for puzzlers age 12 and up. The fully assembled puzzle is approximately 2-3/4" x 4-3/4" x 1-3/4" inches.